Stockholders' Deficit (Details) (USD $)	0 Months Ended	1 Months Ended	3 Months Ended	6 Months Ended
	Jul. 15, 2014	Apr. 30, 2014	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Components of accumulated other comprehensive income
Accumulated foreign currency translation adjustments			$ 12,000,000	$ 12,000,000	$ 11,000,000
Dividends
Cash dividends declared per common share (in dollars per share)		$ 0.13	$ 0.13	$ 0.13
Payment of quarterly cash dividend	6,700,000
Common Stock Repurchases
Number of Shares Repurchased (in shares)			426,000
Payments for Repurchase of Common Stock			$ 12,400,000	$ 12,411,000
Average price (in dollars per share)			$ 29.11